23666890038 has 32 divisors (see below), whose sum is σ = 51644138112. Its totient is φ = 7170772800.

The previous prime is 23666889947. The next prime is 23666890043. The reversal of 23666890038 is 83009866632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541345 + ... + 583427.

It is an arithmetic number, because the mean of its divisors is an integer number (1613879316).

Almost surely, 2^23666890038 is an apocalyptic number.

23666890038 is an abundant number, since it is smaller than the sum of its proper divisors (27977248074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23666890038 is a wasteful number, since it uses less digits than its factorization.

23666890038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50620.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 23666890038 in words is "twenty-three billion, six hundred sixty-six million, eight hundred ninety thousand, thirty-eight".